Andux Wooden Sudoku Puzzle Toys SD-10(Colorful)

No pencil or paper required. Made of wood, 81 thinking tiles. The best way to train brain.
*Comes with booklet of 48 sudoku puzzles, divided into three difficulty levels;
*With 9 pieces spare chess, with storage bag, developing children¡¯s storage habit
*The objective is to fill a 9¡Á9 grid with digits so that each column, each row, and each of the nine 3¡Á3 subgrids that compose the grid (also called "boxes", "blocks", "regions", or "subsquares") contains all of the digits from 1 to 9.
*Colorful - One color for one figure, easy to catch their attention at 1st glance and separate the numbers during game. Makes a great board game gift for number-puzzle lovers.